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Add TIOCGWINSZ ioctl so userland can determine terminal geometry.

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(Don't) use this to implement short-form output in ls.
I'm too tired to make a nice column formatting algorithm.
I just wanted something concise when I type "ls".
This commit is contained in:
Andreas Kling 2018-11-29 03:45:23 +01:00
parent f5a83c4d8a
commit ac7a60225e
11 changed files with 208 additions and 63 deletions
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5
LibC/sys/ioctl.h
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@ -5,6 +5,11 @@
__BEGIN_DECLS
struct winsize {
unsigned short ws_row;
unsigned short ws_col;
};
int ioctl(int fd, unsigned request, ...);
__END_DECLS

1
LibC/sys/ioctl_numbers.h
View file

@ -7,5 +7,6 @@ enum IOCtlNumber {
TCSETS,
TCSETSW,
TCSETSF,
TIOCGWINSZ,
};